Keyboard stand



FIG. 1 is a front perspective view of a keyboard stand showing my newdesign, on an enlarged scale;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The ornamental design for a keyboard stand, as shown and described.